From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 19 Jan 2017 10:45:43 +0000 (+0200)
Subject: staging: fbtft: propagate error code from kstrto*()
X-Git-Tag: v4.11-rc1~116^2~277
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=09142c17daed255710bd4d9813d1f89f551a8e10;p=linux-block.git

staging: fbtft: propagate error code from kstrto*()

kstrto*() functions return proper error code.

Do propogate it to the user.

Acked-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/fbtft/fbtft-sysfs.c b/drivers/staging/fbtft/fbtft-sysfs.c
index 8d8bd12b90a1..5922f1b6d8d6 100644
--- a/drivers/staging/fbtft/fbtft-sysfs.c
+++ b/drivers/staging/fbtft/fbtft-sysfs.c
@@ -4,7 +4,6 @@
 static int get_next_ulong(char **str_p, unsigned long *val, char *sep, int base)
 {
 	char *p_val;
-	int ret;
 
 	if (!str_p || !(*str_p))
 		return -EINVAL;
@@ -14,11 +13,7 @@ static int get_next_ulong(char **str_p, unsigned long *val, char *sep, int base)
 	if (!p_val)
 		return -EINVAL;
 
-	ret = kstrtoul(p_val, base, val);
-	if (ret)
-		return -EINVAL;
-
-	return 0;
+	return kstrtoul(p_val, base, val);
 }
 
 int fbtft_gamma_parse_str(struct fbtft_par *par, unsigned long *curves,